The Rupture of Steel by Longitudinal Stress. "251 



FIG. 5. 



along their entire lengths, and tested in doable shear in screwed steel 

 blocks to eliminate bending. 



The 3rd column gives a^, the original section of the tension 

 specimen ; the 4th gives c, the percentage contraction of area in the 



TABLE III. 



[Note. Those bracketed together are from the same bar. Nos. 198 and 199 

 each give the mean of two experiments on the same bar. Nos. 801, 900, 970a and I, 

 898a and b, 198, and 199 are from steel bars prepared by the Patent Nut and 

 Bolt Company, the steel being made by the Barrow Steel Company. Nos. 42 and 

 43 are from bars of soft crucible steel manufactured by Messrs. Osboru at the 

 Clyde Steel Works, Sheffield. No. 49 is from a bar of Lowmoor iron.] 



